[Essay on the physiopathology of the internal anal sphincter].
D001003:Anal Canal / Q000503:physiopathology*; D003248:Constipation / Q000503:physiopathology*; D006801:Humans; D008531:Megacolon / Q000503:physiopathology*
Essai sur la physiopathologie du sphincter interne de l'anus.